The Bachelor spoilers give away the full details about Colton Underwood's upcoming 2019 season of the reality dating show -- including which bachelorette wins Colton's heart, and who gets eliminated in each episode along the way.

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[The Bachelor Spoilers Warning: Please stop reading now if you want Season 23 of The Bachelor with Colton Underwoodto be a surprise until airs on ABC in 2019 -- including whether Colton is engaged, who he chose as his winner and ended up with, what the season's shocking ending is, and the current status of his relationship with his final pick!]

The Bachelor premieres Monday, January 7 at 8PM ET/PT on ABC with a special three-hour event.

The first hour will be hosted by Chris Harrison and mirror a red carpet event, with Harrison checking in to watch parties in different cities and interviewing The Bachelor franchise alum, according to Reality Steve spoiler blogger Steve Carbone.

Viewers will also reportedly receive updates on happy couples that have survived The Bachelor, The Bachelorette, and Bachelor in Paradise.

The last two hours of the event will be the premiere of Season 23, beginning with intros to some of the women who will be competing for Colton's heart.

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According to Carbone, the bachelorettes who will be featured in the intro videos will be Cassie Randolph, a 23-year-old speech pathologist from Huntington Beach, CA; Hannah Brown, a 23-year-old Miss Alabama 2018 from Tuscaloosa, AL; Katie Morton, a 26-year-old medical sales representative from Sherman Oaks, CA; Heather Martin, a 22-year-old who has never been kissed from Carlsbad, CA; Onyeka Ehie, a 24-year-old IT risk consultant from Dallas, TX; Nicole Lopez-Alvar, a 25-year-old social media coordinator from Miami, FL; Kirpa Sudick, a 26-year-old dental hygienist from Whittier, CA; and Demi Burnett, a 23-year-old interior designer from Red Oak, TX.

Heather will allegedly reveal that not only is she a virgin, but she's also never kissed a guy. Heather also previously met Colton and took a photo with him, but their meet and greet lasted for about 15 seconds.

The limo entrances will reportedly be shown in the following order: Demi; Tayshia Adams, a 28-year-old phlebotomist from Corona Del Mar, CA; Heather; Nicole; Caelynn Miller-Keyes, a 23-year-old Miss North Carolina 2018 from Charlotte, NC; Sydney Lotuaco, a 27-year-old NBA dancer from New York, NY; and Elyse Dehlbom, a 31-year-old makeup artist from Soldotna, AK.

Some of the memorable introductions reportedly include Demi saying, "I haven't dated a virgin since I was 12."

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Nicole will reportedly speak Spanish, Caelynn wears a pageant-queen sash that says "Miss North Carolina" on one side and "Miss Underwood" on the back, and Sydney reveals she quit her job as an NY Knicks dancer to come on the show,.

Cassie gives Colton a box of butterflies to mirror what she's feeling in the pit of her stomach -- but they all turn out to be dead -- Caitlin gives Colton a balloon shaped like a cherry and pops it, Katie has Colton pick a "V" card out of her deck of cards, and Alex D. arrives in a sloth costume, according to Carbone.

Erika reportedly brings Colton a bag of nuts to remember her last name by, Tracy shows up in a police car and gives Colton handcuffs to save for the Fantasy Suite, and Alex B. is unfortunately sick and can't speak so she had everything written down on cue cards.

Catherine arrives with her dog Lucy, Hannah G. brings Colton a box of his favorite underwear -- which turns out to be empty since he revealed on Bachelor in Paradise he doesn't actually like wearing underwear -- and finally Erin makes a grand entrance in a horse-drawn carriage and leaves her shoe like Cinderella, according to Carbone.

Hannah B. will explain how she previously competed against Caelynn in Miss USA.

After Colton engages in conversation with Demi, Erika, and Hannah G., Caelynn reportedly snags the first kiss of the season during the cocktail party.

According to Carbone, Catherine and Onyeka will make waves on Night 1 by constantly interrupting Colton's time with other women.

Catherine will reportedly become a villain early on, but she doesn't last very long in the season, and so Demi will eventually emerge as the replacement villain.

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The recipient of Colton's coveted First Impression Rose will reportedly be Hannah G., who gets to kiss Colton on Night 1 and had asked him whether The Bachelor or an NFL game made him more nervous during their first private moment together at the cocktail party.

By the end of Night 1, Colton will have kissed Caelynn, Katie and Hannah G.

Seven girls will reportedly be eliminated on Night 1 during the first Rose Ceremony of the season: Revian; Tahzjuan; Devin; Alex D.; Erin; Adrianne or "Jane"; and Laura.

Episode 2, based on Los Angeles, will reportedly feature Hannah B. receiving a first one-on-one date with Colton, as well as two group dates.

For the first group date, Megan Mullally and her husband Nick Offerman are part of this date, and the women will be asked to get up on stage and talk about a "first" they've had in their lives.

Hannah G., Demi, Tracy, Nicole, Catherine, Onyeka, Bri, and Elyse will accompany Colton on this date, and Elyse will allegedly get the rose.

For the second group date, 12 women will go camping and play different games -- including cornhole, badminton, and football. The girls will then be divided into two teams for a relay race, a canoe race, a talent show and Tug of War.

The winning team was reportedly comprised of Caelynn, Katie, Alex, Cassie, Heather, Tayshia. The losing team was reportedly made up of Sydney, Nina, Courtney, Erika, Caitlin, Kirpa.

Heather got the group date rose, according to Carbone.

Annie and Angelique unfortunately missed out on a date this week.

After a cocktail party in which Demi shocks all the girls by showing up in a bathrobe, Colton will allegedly oust four more women: Alex B.; Annie; Angelique; and Erika.

Diving into Episode 3, Colton will embark on two group dates and a single one-on-one date.

According to Carbone, the one-on-one date will go to Elyse, and the pair will explore Belmont Park in San Diego with children from charities Friends of Scott and Seany Foundation.

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Afterward, Colton and Elyse will attend a concert in Los Angeles that was open to the public by Tenille Arts.

As for the two group dates, the women who will receive the roses are reportedly Caelynn and Nicole.

In Nicole's group date, eight women will compete in the Strongest Woman Challenge, a boot-camp inspired date hosted by Terry Crews and judged by Fred Willard.

The other women participating will be Cassie, Caitlin, Onyeka, Tayshia, Sydney, Nina and Catherine.

Onyeka won the challenge, which required the ladies to do pushups, situps, flip a tire, and more, but as previously reported, Nicole got the rose.

At the afterparty, Carbone reports Colton sent Caitlin home because he just couldn't see a future with her.

Caelynn will share her group date with Courtney, Demi, Tracy, Katie, Heather, Hannah B. and Kirpa. It will be at Pirate's Dinner Adventure in Buena Park, CA.

Bri and Hannah G. do not receive dates this week.

A little drama will also unfold in this episode when pasts collide. Caelynn and Hannah B. both competed for the title of Miss USA 2018, and Caelynn finished as the runner-up. Hannah, however, did not make the Top 15.

However, Colton will reportedly cancel the cocktail party and enjoy a pool party instead.

At the Rose Ceremony, Colton will then reportedly choose to eliminate Catherine; Nina; and Brianna or "Bri."

The third Rose Ceremony will end with 15 bachelorettes still in the running for Colton's final rose.

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Afterward, the group will reportedly travel overseas to Singapore and then Caelynn and Tayshia will both receive one-on-one dates. Tayshia and Colton will go bungee jumping.

During her solo date, Caelynn will reportedly have one of the most emotional, open and vulnerable conversations with Colton The Bachelor franchise has ever seen.

Carbone reports that Caelynn will share a very personal, deep, and dramatic story in which she had been a rape victim on her college campus. Helping rape victims ended up being Caelynn's platform when she competed for Miss USA.

In turn, Colton will reportedly open up more than ever given Caelynn allowed herself to be so free in their conversation.

Thirteen ladies will embark on a competitive group date with the 26-year-old charity founder and former professional football player, although Carbone is not sure about which woman received the group-date rose.

Colton will then have to break two more hearts on the road to finding his perfect match, and so Courtney and Tracy both allegedly get cut.

Colton, however, apparently doesn't do all of the rejecting during his season. According to Carbone, Elyse decides to quit the show during this episode because she's just not feeling much of a spark with Colton.

That will reportedly leave only two women roseless at the next Rose Ceremony, and those two cuts will be Onyeka and Nicole.

Episode 6 of The Bachelor was reportedly filmed in Nha Trang, Vietnam, where Colton embarked on one-on-one dates with Hannah G. as well as Kirpa, who both received roses on their respective dates.

The rest of the bachelorettes will reportedly go on a jungle-inspired group date, and then Demi will be eliminated after visiting Colton's hotel room.

Carbone says Colton did not reciprocate Demi's strong feelings, and so he decided to let her go before the next Rose Ceremony.

But again, Colton found himself at the mercy of his bachelorettes and their feelings for him when Sydney decides to quit the show because she was also missing a strong connection with The Bachelor star.

Was Colton just not these ladies' cup of tea -- or was he so invested in one or two women that he didn't pursue anyone else hard enough to build lasting connections?

"Also in Vietnam, Katie tells [Colton] that Caelynn and Cassie were talking about being the Bachelorette, they weren't genuine, and they weren't here for him and he wasn't happy. But he sends Katie home at the rose ceremony," Carbone reports.

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The women's round of hometown dates in Episode 8 were allegedly filmed between October 27 and November 2.

Hannah G's date was taped in Birmingham, AL, on October 27.

Caelynn's date was filmed in Fredericksburg, VA, on October 29, and the couple will take advantage of a horse-drawn carriage on Princess Anne Street.

Tayshia's date took place in Orange County, CA, and was filmed on October 31.

And Cassie's date was filmed November 2 in Huntington Beach, CA.

After those four women will be shown bringing Colton home to meet their families, Colton reportedly eliminates Caelynn in fourth place at a Rose Ceremony held in Los Angeles, CA.

Carbone feels Caelynn will be the frontrunner to become the next Bachelorette.

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Moving on to Episode 9 based in Sagres, Portugal, Carbone claims Colton then only accepts two of his planned three overnight Fantasy Suite dates -- the first with Tayshia on November 6 in which they visit the famous lighthouse on Cabo de Sao Vicente and the second with Cassie on November 8.

Colton allegedly determines after his date with Cassie that she is the only girl whom he wants to continue dating and she has won his heart.

"[Colton went on the date with Tayshia, the overnight date, [and] went on the overnight date with Cassie. And as I was told, something happened on that overnight date that made Colton want to be with Cassie and basically end the show," Carbone said in his Reality Steve podcast last month.

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But according to Carbone, Cassie allegedly tells Colton that isn't interested in sticking around to receive a Neil Lane diamond ring from him.

"She essentially pulled a [Peter Kraus]. Like, 'I'm 23, I don't want -- I don't want to be engaged.' And I'm being told, and I can't 100 percent confirm this, but I'm being told this is where the fence jump happened. Because on that overnight date, Cassie left the show."

As Bachelor Nation is well aware thanks to a trailer previously released by ABC, Colton reached a point of such anger and frustration at some point in his season that he jumped a six-foot tall fence to escapeThe Bachelor host Chris Harrison, who was left calling for him several feet away.

Colton was shown swearing and saying, "I'm done," on his way out.

"Cassie leaves the show on her overnight date because she doesn't want to be engaged. And Colton, obviously, is very upset," Carbone explained.

Colton reportedly never goes on an overnight date with Hannah G. -- although she allegedly has a good shot to become the next The Bachelorette star -- and decides to dump both Hannah G. and Tayshia despite his final pick, Cassie, quitting the show and going home.

There will therefore be no Final 3 Rose Ceremony or Final Rose Ceremony abroad.

What Happened After Cassie Quit and Colton Dumped Hannah and Tayshia?

According to Carbone, Cassie actually returned home to California after she decided to leave the show -- and Colton then also returned to America and essentially chased her down.

The Bachelor's production crew then reportedly filmed Colton tracking Cassie down in the Los Angeles area and telling her he still wanted to be with her whether or not they get engaged.

Colton's desperate plea reportedly resulted in the couple choosing to continue dating together and taking an engagement off the table since Cassie is only 23 years old.

"I don't know how many days after [Cassie] left [Portugal it was], but they filmed something in [Los Angeles]. I'm assuming [in] Huntington Beach, where Cassie lives, because she lives with her parents in Huntington Beach," Carbone said.

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"They filmed something in the States, where Colton comes to Cassie and basically says, 'We don't need to be engaged, but I want to be with you.' And that's where we are for right now."

What is the Status of Colton and Cassie's Relationship Now?

Carbone said Colton and Cassie now plan to continue dating for the next three to four months and see how things go between them. Fans, as always, will receive an update on their relationship on the March broadcast of The Bachelor: After the Final Rose.

"My guess is Cassie is very young, and her feeling of, back in November, telling Colton, 'I'm not ready to be engaged,' [is] probably still going to stand in March. But that's just a guess. We'll see what happens," Carbone predicted.

Carbone concluded his podcast by apologizing for previously incorrectly reporting Colton and Cassie were engaged.

"I apologize for reporting that they are engaged. They are not," Carbone said, referring to his initial set of spoilers that he had to correct.

"But he definitely chose Cassie, and they are definitely seeing each other, and have been seeing each other since the end of filming."

If the spoilers prove to be accurate, The Bachelor will have a lot of footage missing from Season 23 -- including Hannah G.'s overnight date, the Final 2 women meeting with Colton's family, the Final 2 women's last one-on-one dates with Colton in Spain, and, of course, a Final Rose Ceremony.

Carbone had been hearing Cassie was likely to be Colton's winner since mid-October, writing in his blog that he would be "stunned" if she didn't receive his final rose.

A true native Californian, Cassie grew up at the beach and is an avid surfer.

She is currently an ESL (English as a Second Language) teacher at an adult school. She is also completing her degree in speech pathology and hopes to one day open up a private practice to work with kids.

Cassie graduated from Biola University in 2016 with a B.S. in Communication Sciences. Her sister Michelle is apparently dating Gregg Sulkin, who was previously linked to actress Bella Thorne.

Chris Harrison -- who said Colton's season will be "gut-wrenching" and a "wild ride" -- also recently said Cassie has "the brains" to back up her looks and she's "sweet and beautiful."